Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities:
Net earnings (loss)	$ 1,409,000,000	$ 1,181,000,000
Less: Net earnings (loss) from discontinued operations	1,000,000	(50,000,000)
Net earnings (loss) from continuing operations	1,408,000,000	1,231,000,000
Adjustments to reconcile net earnings from continuing operations to net cash flow provided by (used for) operating activities:
Depreciation and amortization	343,000,000	354,000,000
Impairment charges	0	11,000,000
Stock-based compensation	169,000,000	118,000,000
Redemption of debt	0	(28,000,000)
Equity in loss of investee companies, net of tax and distributions	46,000,000	33,000,000
Change in assets and liabilities, net of investing and financing activities	(434,000,000)	(214,000,000)
Net cash flow provided by (used for) operating activities from continuing operations	1,532,000,000	1,505,000,000
Net cash flow provided by (used for) operating activities from discontinued operations	(212,000,000)	(25,000,000)
Net cash flow provided by (used for) operating activities	1,320,000,000	1,480,000,000
Investing Activities:
Acquisitions, net of cash acquired	(31,000,000)	(70,000,000)
Capital expenditures	(140,000,000)	(139,000,000)
Investments in and advances to investee companies	(144,000,000)	(54,000,000)
Proceeds from sale of investments	20,000,000	11,000,000
Proceeds from dispositions	196,000,000	46,000,000
Net cash flow provided by (used for) investing activities from continuing operations	(99,000,000)	(206,000,000)
Net cash flow provided by (used for) investing activities from discontinued operations	(17,000,000)	(13,000,000)
Net cash flow provided by (used for) investing activities	(116,000,000)	(219,000,000)
Financing Activities:
Proceeds from short-term debt borrowings, net	341,000,000	0
Proceeds from issuance of notes	0	1,567,000,000
Repayment of notes	0	(1,583,000,000)
Payment of capital lease obligations	(13,000,000)	(15,000,000)
Payment of contingent consideration	(30,000,000)	(33,000,000)
Dividends	(228,000,000)	(199,000,000)
Purchase of Company common stock	(1,864,000,000)	(839,000,000)
Payment of payroll taxes in lieu of issuing shares for stock-based compensation	(142,000,000)	(105,000,000)
Proceeds from exercise of stock options	121,000,000	140,000,000
Excess tax benefit from stock-based compensation	133,000,000	93,000,000
Other financing activities	(4,000,000)	0
Net cash flow provided by (used for) financing activities	(1,686,000,000)	(974,000,000)
Net increase (decrease) in cash and cash equivalents	(482,000,000)	287,000,000
Cash and cash equivalents at beginning of period	708,000,000	660,000,000
Cash and cash equivalents at end of period	226,000,000	947,000,000
Supplemental disclosure of cash flow information
Cash paid for interest	284,000,000	365,000,000
Cash paid for income taxes	272,000,000	353,000,000
Equipment acquired under capitalized leases	$ 58,000,000	$ 13,000,000